1. Section of Ophthalmology, King's College London, St. Thomas’ Hospital Campus, London, United Kingdom
2. Department of Twin Research and Genetic Epidemiology, King's College London, London, United Kingdom
3. Department of Ophthalmology, Faculty of Medicine, Otto-von-Guericke University, Magdeburg, Germany
4. NIHR Biomedical Research Centre at Moorfields Eye Hospital and the UCL Institute of Ophthalmology, London, United Kingdom
5. Institute of Ophthalmology, University College London, London, United Kingdom
6. Center for Behavioral Brain Sciences, Magdeburg, Sachsen-Anhalt, Germany